JP2016023072A - Elevating apparatus and elevator car - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a door shoe from being displaced or coming off.SOLUTION: Both opening/closing-direction ends of a reinforcing upper part 42 are fixed to second lateral bent parts 24R and 24L, respectively, and a reinforcing lower part 44 is fixed to a second lower bent part 26 to fix a door panel 20 and a reinforcement member 40. Thus, an approximately box-shaped structure is formed of the door panel 20 and the reinforcement member 40. A door shoe bracket 50 is fixed to the door panel 20 and the reinforcement member 40, which constitute the approximately box-shaped structure.SELECTED DRAWING: Figure 5

Description

  The present invention relates to an elevator apparatus including a door device and an elevator car.

  The elevator device is provided in a passenger car that accommodates passengers, and has a door device that opens and closes an entrance for passengers to get on and off, and a door device that is provided in a building and opens and closes a connection port to a hoistway of the elevator device. Yes.

  Some of such door devices are provided with a guide shoe at the lower end of the door panel. When the guide shoe slides in the guide groove provided on the car or the sill of the building, the door panel is guided to open and close along a predetermined opening and closing direction.

  Patent Document 1 describes an elevator in which a guide (door shoe) is attached to a door reinforcement fixed to the lower surface side of a door (door panel) via an attachment plate.

JP-A-9-86843

  However, in the elevator described in Patent Document 1, the door panel is formed in a thin plate shape, and the strength of the door panel, which is a reinforcing member of the door panel, is relatively small, so the strength of the door panel is not sufficient. For this reason, when the door shoe moves in the guide groove, if it receives a force such as coming into contact with the peripheral wall of the sill that defines the guide groove, the force is transmitted to the door panel via the mounting plate and the reinforcing member, and the door panel is deformed. End up. If the door panel is deformed, the position of the mounting plate and the reinforcing member may be shifted, the position of the door shoe attached thereto may be shifted, the reinforcing member and the mounting plate may be detached from the door panel, and the door shoe may be detached from the door panel. There is.

  The present invention has been made in view of the above-mentioned problems of the prior art, and its object is to provide an elevator car and an elevator apparatus that can prevent the position of the door shoe from shifting or the door shoe from coming off. To do.

  In order to achieve the above object, an elevator apparatus of the present invention is formed of a plate-like member, and is provided with a door panel that can be opened and closed, a plate-like reinforcement member that reinforces the door panel, a lower portion of the door panel, and a door shoe. An elevator apparatus including a door device including a door shoe bracket to support, wherein the door panel has a bent portion formed by bending the tip of a plate-like member forming the door panel so as to have an opposing surface, The reinforcing member was attached to the bent portion so as to be parallel to the opposing surface, and the door shoe bracket was fixed to the bent portion and the reinforcing member.

  The elevator car of the present invention is an elevator car provided with a car room that accommodates passengers, a boarding / alighting port provided in the car room for passengers to get on and off, and a door device that opens and closes the boarding / alighting doors. The door device includes a door panel formed of a plate-like member and provided so as to be openable and closable, a plate-like reinforcement member for reinforcing the door panel, and a door shoe bracket provided at a lower portion of the door panel and supporting the door shoe. . The door panel has a bent portion formed by bending the tip of a plate-like member forming the door panel so as to have an opposing surface, and the reinforcing member is attached to the bent portion so as to be parallel to the opposing surface, The door shoe bracket was fixed to the bent portion and the reinforcing member.

  ADVANTAGE OF THE INVENTION According to this invention, it can prevent that the position of a door shoe shifts | deviates or a door shoe remove | deviates.

It is a schematic diagram of the elevator apparatus which concerns on the 1st Embodiment of this invention. It is a front view of the door apparatus which concerns on the 1st Embodiment of this invention. 1 is a front view of a door panel assembly according to a first embodiment of the present invention. 1 is a perspective view of a door panel assembly according to a first embodiment of the present invention. FIG. 4 is a sectional view taken along line AA in FIG. 3. It is a front view of the door panel assembly which concerns on the 2nd Embodiment of this invention. It is the BB sectional view taken on the line of FIG. It is a figure explaining the elevator apparatus which concerns on a modification.

<First Embodiment>
A car 4 and an elevator apparatus 1 including the car 4 according to a first embodiment of the present invention will be described with reference to FIGS. In addition, the same code | symbol is attached | subjected to the common member in each figure.

<Outline of elevator device configuration>
First, with reference to FIG. 1, the outline | summary of a structure of the elevator apparatus 1 is demonstrated. FIG. 1 is a schematic diagram of an elevator apparatus 1 according to the first embodiment.
As shown in FIG. 1, the elevator apparatus 1 of the present embodiment is a so-called machine room-less elevator in which no machine room is provided.

  The elevator apparatus 1 includes a car 4 that can be lifted and lowered in a hoistway 3 formed in a building, a counterweight 5, a rope 6 that holds both of them, and a hoisting machine 7 around which the rope 6 is wound. I have. In the following description, one direction on a horizontal plane parallel to the hoistway bottom surface 2 forming the bottom surface of the hoistway 3 is defined as an X direction, and a direction orthogonal to the X direction on the horizontal plane is defined as a Y direction. A direction orthogonal to the X direction and the Y direction is defined as a Z direction (up and down direction).

  The hoisting machine 7 is disposed in the hoistway 3 and drives the rope 6 to raise and lower the car 4 and the counterweight 5 in the hoistway 3.

  The car 4 includes a car frame 8, a car room 9, and a door device 10. The car room 9 is formed in a box shape and accommodates passengers therein. The car frame 8 is a substantially square frame-shaped member surrounding the car chamber 9.

  The cab 9 has a substantially flat floor portion 91 that forms a floor, and a substantially flat ceiling portion 92 that faces the floor portion 91 in the vertical direction and forms a ceiling. Further, the cab 9 has substantially flat side walls 93a, 93b, 93c, 93d (illustration of the side wall 93b is omitted) standing around the floor 91. The side wall portions 93a and 93b face each other in the Y direction. The side wall portions 93c and 93d face each other in the X direction. The side wall portions 93a, 93b, 93c, and 93d are made of a steel plate having one surface (the surface on the indoor side of the car room 9) as a design surface. The side wall 93a is provided with an entrance 11 through which passengers get on and off. The door device 10 opens and closes the entrance 11.

Next, a detailed configuration of the door device 10 will be described with reference to FIG. FIG. 2 is a front view of the door device 10.
The door device 10 includes two door panel assemblies 12R and 12L, a rail frame 14, a sill 15, and a motor (not shown). The door panel assemblies 12R and 12L are substantially rectangular plate-like members, and a hanger 13 is provided at the upper end. The hanger 13 has two hanger rollers 16. A door shoe 17 is provided at the lower end of the door assemblies 12R and 12L.

  The rail frame 14 is fixed to the upper part of the side wall portion 93a (see FIG. 1) and has a door rail 18. A hanger roller 16 is connected to the door rail 18. When the motor drives the hanger roller 16 and moves on the door rail 18, the door panel assemblies 12R and 12L can move in the opening / closing direction parallel to the X direction. In the following description, the opening / closing direction of the door panel assemblies 12R, 12L may be simply referred to as “opening / closing direction”.

  The sill 15 is provided on the car floor 91 (see FIG. 1), and has guide grooves (not shown) formed in parallel with the opening and closing directions of the door panel assemblies 12R and 12L. The door shoes 17 of the door panel assemblies 12R and 12L are accommodated in the guide grooves. Thus, when the door panel assemblies 12R and 12L move, the lower portions of the door panel assemblies 12R and 12L are guided so that the lower portions of the door panel assemblies 12R and 12L move along the opening / closing direction. Other configurations of the door panel assemblies 12R and 12L will be described later.

<Door panel assembly>
Next, the detailed configuration of the door panel assemblies 12R and 12L will be described with reference to FIGS. FIG. 3 is a front view of the door panel assembly 12 </ b> R of the door device 10. FIG. 4 is a perspective view of the door panel assembly 12R. 5 is a cross-sectional view taken along line AA in FIG. Note that the door panel assembly 12L disposed on the left side in FIG. 2 and the door panel assembly 12R disposed on the right side in FIG. 2 have a substantially bilateral configuration, and therefore are disposed on the right side in the following description. Only the door panel assembly 12R is described, and the description of the door panel assembly 12L disposed on the left side is omitted.
As shown in FIGS. 3 to 5, the door panel assembly 12 </ b> R includes a door panel 20, a reinforcing member 40, a door shoe bracket 50, and a door shoe 17.

<Door panel>
The door panel 20 is formed of a substantially rectangular plate-like plate member 21 and is disposed such that the longitudinal direction is parallel to the vertical direction (Z direction) and the short side direction is parallel to the opening / closing direction. The door panel 20 includes a flat plate portion 22, two first side bent portions 23R and 23L, two second side bent portions 24R and 24L, a first lower bent portion 25, and a second lower bent portion. And a curved portion 26.

  The flat plate portion 22 is formed at a substantially central portion in the opening / closing direction of the plate-like member 21, and has one flat surface 22a and the other flat surface 22b (see FIG. 5) extending along the opening / closing direction. One plane 22a is arranged outside the car 4 more than the other plane 22b. The other plane 22b is arranged closer to the center side of the car 4 than the one plane 22a, is provided with a design, and forms a so-called design surface that is visible to passengers in the cab 9.

  The two first side bent portions 23R and 23L are formed by bending both end portions in the opening and closing direction of the plate-like member 21 along the Y direction toward one flat surface 22a of the flat plate portion 22, that is, outside the car 4. Has been. In FIG. 3, the first side bent portion 23R is arranged on the right side, and the first side bent portion 23L is arranged on the left side. The first side bent portions 23R and 23L have one plane and the other plane orthogonal to the X direction. Further, one end portions of the first side bent portions 23 </ b> R and 23 </ b> L are continuous with both end portions in the opening / closing direction of the flat plate portion 22.

  The second side bent portions 24R and 24L are formed by bending the other end portions of the first side bent portions 23R and 23L so as to approach each other along the opening / closing direction. Since the configurations of the second side bent portion 24R and the second side bent portion 24L are substantially bilaterally symmetrical, only the second side bent portion 24L will be described in the following description. About the direction bending part 24R, the same code | symbol is attached | subjected to the structure which is common in the 2nd side bending part 24L, and the detailed description is abbreviate | omitted.

  As shown in FIG. 5, the second side bent portion 24 </ b> L has one plane 24 a and the other plane 24 b that face each other in the Y direction. The other flat surface 24b of the second side bent portion forms a side facing surface 24c facing the one flat surface 22a of the flat plate portion 22 in the Y direction.

Further, as shown in FIGS. 3 and 4, a notch portion formed by notching the tip end portion of the second side bent portion 24L in a substantially rectangular shape at the lower end portion of the second side bent portion 24L. 27 is formed. Therefore, the length in the opening / closing direction of the lower end portion of the second side bent portion 24L is set to be shorter than the length of the other portion of the second side bent portion 24L in the opening / closing direction.
Further, two insertion holes 28 (see FIG. 5) through which the rivets 60 for fixing the reinforcing member 40 are inserted are formed in the second side bent portion 24L with a predetermined distance in the vertical direction. .

  As shown in FIG. 5, the first downward bent portion 25 is formed by bending the lower end portion of the plate-like member 21 along the Y direction toward one flat surface 22 a of the flat plate portion 22, that is, outside the car 4. Has been. The first downward bent portion 25 has an upper surface 25a and a lower surface 25b that face each other in the Z direction.

  The second lower bent portion 26 is formed by bending the tip end portion of the first lower bent portion 25 upward along the Z direction. The second downward bent portion 26 has one plane 26a and the other plane 26b orthogonal to the Y direction. The other flat surface 26b of the second lower bent portion 26 forms a lower facing surface 26c facing the one flat surface 22a of the flat plate portion 22 in the Y direction. A distance D1 between the lower facing surface 26c in the Y direction and the one flat surface 22a of the flat plate portion 22 is shorter than a distance D2 between the side facing surface 24c in the Y direction and the one flat surface 22a of the flat plate portion 22. Is set. Specifically, the distance D1 is a thickness of a bracket upper portion 51 (to be described later) of the door shoe bracket 50 that contacts one flat surface 26a opposite to the lower facing surface 26c and a bolt 61 for fixing the door shoe bracket 50. Is set to be shorter than the distance D2 by the total thickness of the heads.

  In addition, an insertion hole 29 (see FIG. 5) through which the rivet 60 for fixing the reinforcing member 40 is inserted is formed in the upper part of both end portions in the opening / closing direction of the second downward bent portion 26. As shown in FIGS. 3 and 4, the length in the opening / closing direction of the first lower bent portion 25 and the second lower bent portion 26 is set shorter than the length of the flat plate portion 22 in the opening / closing direction. . Further, when the second lower bent portion 26 is formed, both end portions in the opening / closing direction of the second lower bent portion 26 are notched portions 27 formed at the lower ends of the second side bent portions 24R and 24L. Between the lower side portions of the second side bent portions 24R and 24L.

  Further, two bolt insertions for inserting a bolt 61 for fixing the door shoe bracket 50 at a predetermined distance in the opening / closing direction at a substantially central portion in the up / down direction of the second downward bent portion 26. A hole 30 (see FIG. 5) is formed.

<Reinforcing member>
As shown in FIG. 5, the reinforcing member 40 is formed of a substantially rectangular plate-like plate-like member that is thicker than the plate-like member 21 that forms the door panel 20 and has a high strength. As shown in FIGS. 3 to 5, the reinforcing member 40 is disposed such that the longitudinal direction is parallel to the vertical direction (Z direction) and the short direction is parallel to the opening / closing direction. Further, the reinforcing member 40 is disposed inside the door panel 20 and reinforces the lower portion from the substantially central portion of the door panel 20.

  As shown in FIGS. 3 to 5, a reinforcing bent portion 41 that is bent toward the flat plate portion 22 side of the door panel 20 and extends downward is formed at the lower portion of the reinforcing member 40. A reinforcing upper portion 42 is formed above the reinforcing bent portion 41 of the reinforcing member 40. The reinforcement upper part 42 has one plane 42a and the other plane 42b orthogonal to the Y direction. The other flat surface 42 b of the reinforcing upper portion 42 faces the one flat surface 22 a of the flat plate portion 22 in the Y direction, and extends in parallel with the one flat surface 22 a of the flat plate portion 22. The lower end portion of the reinforcing upper portion 42 is continuous with the upper end portion of the reinforcing bent portion 41.

Further, two insertion holes 43 (see FIG. 5) through which the rivets 60 are inserted are formed at both ends in the opening and closing direction of the reinforcing upper portion 42 with a predetermined distance in the vertical direction. The insertion hole 43 communicates with the insertion hole 28 formed in the second side bent portions 24R and 24L.
Further, one flat surface 42a at both ends in the opening and closing direction of the reinforcing upper portion 42 forms a side contact surface 42c that contacts the side facing surface 24c.

  A reinforcing lower portion 44 that is bent so as to be parallel to the Z direction and extends downward is formed below the reinforcing bent portion 41 of the reinforcing member 40. The reinforcing lower portion 44 is formed so as to be closer to the flat plate portion 22 than the reinforcing upper portion 42. The upper end portion of the reinforcing lower portion 44 is continuous with the lower end portion of the reinforcing bent portion 41.

  The reinforcing lower portion 44 has one plane 44a and the other plane 44b orthogonal to the Y direction. The other flat surface 44 b of the reinforcing lower portion 44 opposes the one flat surface 22 a of the flat plate portion 22 in the Y direction and extends in parallel with the one flat surface 22 a of the flat plate portion 22. Further, two insertion holes 45 (see FIG. 5) through which the rivets 60 are inserted are formed at both ends in the opening and closing direction of the reinforcing lower portion 44 with a predetermined distance therebetween. The insertion hole 45 communicates with the insertion hole 29 formed in the second downward bent portion 26.

The reinforcing lower portion 44 is formed with two bolt insertion holes 46 (see FIG. 5) for inserting bolts 61 for fixing the door shoe bracket 50 at a predetermined distance in the opening and closing direction. The bolt insertion hole 46 is formed using a tap, and a screw thread is formed on the peripheral surface surrounding the bolt insertion hole 46. The bolt insertion hole 46 communicates with the bolt insertion hole 30 formed in the second downward bent portion 26.
In addition, one flat surface 44a of the reinforcing lower portion 44 forms a lower contact surface 44c that contacts the lower facing surface 26c.

<Door shoe bracket and door shoe>
As shown in FIGS. 3 to 5, the door shoe bracket 50 is formed of a substantially rectangular plate-like member, and the longitudinal direction is parallel to the X direction and the short side direction is parallel to the Z direction. Is arranged.

  A bracket upper portion 51 is formed on the upper portion of the door shoe bracket 50. The bracket upper part 51 has one plane 51a and the other plane 51b orthogonal to the Y direction. The other flat surface 51 b of the bracket upper portion 51 is in contact with one flat surface 26 a of the second downward bent portion 26. The bracket upper portion 51 is formed with two bolt insertion holes 52 (see FIG. 5) for inserting bolts 61 for fixing the door shoe bracket 50 at a predetermined distance in the opening and closing direction. The bolt insertion hole 52 communicates with the bolt insertion hole 30 formed in the second downward bent portion 26 and the bolt insertion hole 46 formed in the reinforcing lower portion 44.

  Below the bracket upper portion 51 of the door shoe bracket 50, it is bent toward the flat plate portion 22 along the Y direction, that is, bent inward of the car 4, and has an upper surface 53 a and a lower surface orthogonal to the Z direction. A bracket bent portion 53 having 53b is formed. One end portion in the Y direction of the bracket bent portion 53 is continuous with the lower end portion of the bracket upper portion 51. The upper surface 53 a of the bracket bent portion 53 is in contact with the lower surface 25 b of the first lower bent portion 25.

  A bracket lower portion 54 that is bent along the Z direction and extends downward is formed below the other end in the Y direction of the bracket bent portion 53 of the door shoe bracket 50. The bracket lower part 54 has one plane orthogonal to the Y direction and the other plane. A door shoe 17 is provided at the lower portion of the bracket lower portion 54.

  The door shoe 17 is formed of a horizontally long substantially rectangular parallelepiped elastic member (for example, rubber), and the surface thereof is subjected to Teflon (registered trademark) processing. Two door shoes 17 are provided below the bracket lower portion 54 with a predetermined distance in the opening and closing direction. The door shoe 17 is disposed such that the longitudinal direction is parallel to the opening / closing direction and the short side direction is parallel to the Z direction. The door shoe 17 is formed with a fitting groove 17a (see FIG. 5) extending in the opening / closing direction. The lower portion of the bracket lower portion 54 is fitted into the fitting groove 17a, so that the door shoe 17 is attached to the bracket lower portion 54. It is fixed to.

<Assembly of door panel assembly>
Next, assembly of the door panel assemblies 12R and 12L will be described with reference to FIG. First, the reinforcing member 40 is interposed between the flat plate portion 22 of the door panel 20 and the second side bent portions 24R and 24L. Next, the side contact surfaces 42c at both ends in the opening and closing direction of the reinforcing upper portion 42 are brought into contact with the side facing surfaces 24c of the second side bent portions 24R and 24L, and the insertion holes 43 formed in the reinforcing upper portion 42 are formed. And the insertion holes 28 formed in the second side bent portions 24R, 24L. Further, the lower contact surface 44c of the reinforcing lower portion 44 is brought into contact with the lower facing surface 26c of the second lower bent portion 26, and is formed in the insertion hole 45 formed in the reinforcing lower portion 44 and the second lower bent portion 26. The insertion hole 29 is connected. Next, rivets 60 are inserted into these communicating insertion holes, both ends of the reinforcing upper portion 42 in the opening / closing direction are fixed to the second side bent portions 24R, 24L, and the reinforcing lower portion 44 is bent to the second lower bent portion. It fixes to the part 26 and the door panel 20 and the reinforcement member 40 are fixed.

  Next, the lower part of the door shoe bracket 50 is fitted into the fitting groove 17 a of the door shoe 17. Next, the door shoe bracket 50 in which the door shoe 17 is fitted is fixed to the door panel 20 to which the reinforcing member 40 is fixed. Specifically, the other flat surface 51b of the bracket upper portion 51 of the door shoe bracket 50 is brought into contact with one flat surface 26a of the second lower bent portion 26, and a bolt insertion hole 52 formed in the bracket upper portion 51, 2 The bolt insertion hole 30 formed in the lower bent portion 26 and the bolt insertion hole 46 formed in the reinforcing lower portion 44 are communicated with each other. Further, the upper surface 53 a of the bracket bent portion 53 and the lower surface 25 b of the first lower bent portion 25 are brought into contact with each other. Then, the bolt 61 is inserted into the bolt insertion holes that are communicated with each other, and the thread formed on the bolt 61 and the thread formed on the peripheral surface surrounding the bolt insertion hole 46 of the reinforcing lower portion 44 are screwed together. As a result, the bracket upper portion 51, the second downward bent portion 26 and the reinforcing lower portion 44 are fixed, that is, the door shoe bracket 50, the door panel 20 and the reinforcing member 40 are fixed, and the door panel assemblies 12R and 12L are assembled.

<Action>
The door device 10 in the car 4 of the elevator apparatus 1 according to the present embodiment includes a second side bent portion 24R, 24L and a second lower bent portion formed by bending the tip of a plate-like member 21 forming the door panel 20. 26. Further, the second side bent portions 24R and 24L are formed so that the door panel 20 has one flat surface 22a and a side facing surface 24c of the flat plate portion 22 which are facing surfaces facing each other. Moreover, the 2nd downward bending part 26 is formed so that the door panel 20 may have one plane 22a and the downward facing surface 26c of the flat plate part 22 which are opposing surfaces which mutually oppose. Further, the second side bent portions 24R and 24L and the second lower folded portion are arranged so that the reinforcing member 40 is parallel to these facing surfaces (one flat surface 22a, side facing surface 24c, and lower facing surface 26c). It is attached to the curved portion 26.

  Specifically, both ends of the reinforcing upper portion 42 in the opening / closing direction are fixed to the second side bent portions 24R and 24L, the reinforcing lower portion 44 is fixed to the second lower bent portion 26, and the reinforcing member 40 is It is attached to the door panel 20. Accordingly, the door panel 20 and the reinforcing member 40 form a substantially box-like structure (see FIG. 5). The door shoe bracket 50 is fixed to the door panel 20 and the reinforcing member 40 constituting the substantially box-shaped structure. Since the door panel 20 forms a substantially box-like structure with the reinforcing member 40, the door panel 20 has higher strength than a case where a flat door panel is simply reinforced with a reinforcing member. Therefore, deformation of the door panel 20 can be suppressed. For this reason, it can prevent that the position of the door shoe bracket 50 shifts | deviates by the deformation | transformation of the door panel 20, or the door shoe bracket 50 remove | deviates. That is, it is possible to prevent the position of the door shoe 17 from being displaced or the door shoe 17 from coming off (first action).

  Further, the bracket upper portion 51, the second lower bent portion 26 and the reinforcing lower portion 44 are inserted through the bolt insertion holes 52, 30 and 46 formed in the bracket upper portion 51, the second lower bent portion 26 and the reinforcing lower portion 44. It is fixed by a bolt (see FIG. 5). That is, the door shoe bracket 50 is coupled and fixed not only to the door panel 20 but also to the reinforcing member 40. Therefore, the door shoe bracket 50 can be firmly coupled and fixed as compared with the case where the door shoe bracket 50 is coupled and fixed only to the door panel 20. For this reason, it can prevent that the position of the door shoe bracket 50 shifts or the door shoe bracket 50 is detached. That is, it is possible to prevent the position of the door shoe 17 from being displaced or the door shoe 17 from being detached (second operation).

  Further, the reinforcing member 40 is formed of a plate-like member that is thicker than the plate-like member 21 that forms the door panel 20. Therefore, a thread can be easily formed on the peripheral surface surrounding the bolt insertion hole 46 using a tap. For this reason, the process for coupling and fixing the door shoe bracket 50 to the door panel 20 and the reinforcing member 40 can be easily performed (third action).

  The distance D1 between the lower facing surface 26c in the Y direction and the one flat surface 22a of the flat plate portion 22 is greater than the distance D2 between the side facing surface 24c in the Y direction and the one flat surface 22a of the flat plate portion 22. Is also set short (see FIG. 5). Specifically, the distance D1 is a distance corresponding to the thickness of the bracket upper portion 51 that contacts one flat surface 26a, which is the surface opposite to the lower facing surface 26c, and the thickness of the head of the bolt 61 for fixing the door shoe bracket 50. It is set shorter than D2. Therefore, it is possible to prevent the head of the bolt 61 for fixing the door shoe bracket 50 from projecting to the outside of the car 4 from the one flat surface 24a of the second side bent portions 24R, 24L (fourth Action). Further, the rivet 60 for fixing the second lower bent portion 26 and the reinforcing lower portion 44 is prevented from projecting outside the car 4 from one plane 24a of the second side bent portions 24R, 24L. Yes (fifth action).

  The door shoe bracket 50 is fixed to the door panel 20 and the reinforcing member 40 by bolts 61. For this reason, when exchanging the worn door shoe 17, the bolt 61 may be removed and only the door shoe bracket 50 may be removed from the door panel 20 and the reinforcing member 40. That is, when the door shoe 17 is replaced, it is not necessary to remove and disassemble the entire two door panel assemblies 12R and 12L, so that labor can be saved (sixth action).

<Second Embodiment>
Next, with reference to FIG.6 and FIG.7, the elevator apparatus 101 provided with the passenger car 104 and the passenger car 104 which concern on the 2nd Embodiment of this invention is demonstrated with reference to FIG. FIG. 6 is a front view of a door panel assembly 112R, which will be described later, according to the second embodiment. 7 is a cross-sectional view taken along line BB in FIG.
The car 104 and the elevator apparatus 101 according to the second embodiment, and the car 4 and the elevator apparatus 1 according to the first embodiment include door panel assemblies 112R and 112L, which will be described later, and a door panel assembly 12R, Only the 12L configuration is different. Further, since the door panel assemblies 112R and 112L are substantially symmetrical, only the door panel assembly 112R will be described in the following description, and the other description will be omitted.

  Moreover, the structure of the below-mentioned 1st downward bending part 125 of the door panel assembly 112R and the 2nd downward bending part 126 and the structure of the reinforcement member 140 differ from the structure of the door panel assembly 12R of 1st Embodiment. Therefore, in the following description, in the members constituting the door panel assembly 112R, members common to the door panel assembly 12R in the first embodiment are denoted by the same reference numerals and description thereof is omitted.

<Door panel>
As shown in FIGS. 6 and 7, the door panel 120 is formed of a substantially rectangular plate-like member 121, the longitudinal direction is parallel to the vertical direction (Z direction), and the short side direction is parallel to the opening / closing direction. It is arranged to be. The door panel 120 includes a flat plate portion 122, two first side bent portions 123R and 123L, two second side bent portions 124R and 124L, a first lower bent portion 125, and a second lower bent portion. Part 126. The flat plate portion 122, the two first side bent portions 123R and 123L, and the two second side bent portions 124R and 124L are respectively the flat plate portion 22 and the first side bent portion in the first embodiment. Since the configuration is the same as that of the bent portions 23R and 23L and the second side bent portions 24R and 24L, the description thereof is omitted.

  As shown in FIG. 7, the first lower bent portion 125 is formed by bending the lower end portion of the plate-like member 121 along the Y direction toward one flat surface 122 a of the flat plate portion 122, that is, outside the car 4. Has been. The first downward bent portion 125 has an upper surface 125a and a lower surface 125b that face each other in the Z direction.

  The second lower bent portion 126 is formed by bending the tip end portion of the first lower bent portion 125 upward along the Z direction. The second downward bent portion 126 has one plane 126a and the other plane 126b orthogonal to the Y direction. The other flat surface 126b of the second lower bent portion 126 forms a lower facing surface 126c facing the one flat surface 122a of the flat plate portion 122 in the Y direction. In the present embodiment, the distance D3 between the lower facing surface 126c in the Y direction and the one flat surface 122a of the flat plate portion 122 is the distance between the side facing surface 124c in the Y direction and the one flat surface 122a of the flat plate portion 122. It is set to be equal to D4.

  As shown in FIG. 6, both ends of the second downward bent portion 126 in the opening / closing direction are disposed inside the notches 127 formed at the lower ends of the second side bent portions 124R and 124L. The Opening and closing of the first lower bent portion 125 and the second lower bent portion 126 so that both ends in the opening and closing direction of the second lower bent portion 126 do not contact the lower ends of the second side bent portions 124R and 124L. The length in the direction is set to be shorter than the length in the opening / closing direction of the flat plate portion 122.

  Further, two bolts for inserting a bolt 61 for fixing the door shoe bracket 50 at a predetermined distance in the opening / closing direction at a substantially central portion in the up / down direction of the second lower bent portion 126. A hole 130 (see FIG. 7) is formed.

<Reinforcing member>
As shown in FIGS. 6 and 7, the reinforcing member 140 is formed of a substantially rectangular plate-like plate member that is thicker than the plate-like member 121 that forms the door panel 120 and has a high strength. The reinforcing member 140 is disposed such that the longitudinal direction is parallel to the vertical direction (Z direction) and the short side direction is parallel to the opening / closing direction. The reinforcing member 140 is disposed on the inner side of the door panel 120 and reinforces the lower portion from the substantially central portion of the door panel 120. Unlike the reinforcing member 40 in the first embodiment, the reinforcing bent portion 41 is not formed in the reinforcing member 140 in the present embodiment.

  The reinforcing member 140 has one flat surface 140a and the other flat surface 140b orthogonal to the Y direction. The other flat surface 140 b of the reinforcing member 140 faces the one flat surface 122 a of the flat plate portion 122 in the Y direction and extends in parallel with the one flat surface 122 a of the flat plate portion 122.

Further, two insertion holes 143 (see FIG. 7) through which the rivets 60 are inserted are formed at both ends in the opening / closing direction of the reinforcing member 140 with a predetermined distance in the vertical direction. The insertion hole 143 communicates with the insertion hole 128 formed in the second side bent portions 124R and 124L.
In addition, one flat surface 140a at both ends in the opening / closing direction of the reinforcing member 140 forms a side contact surface 140c that contacts the side facing surface 124c.

Further, two bolt insertion holes 146 (see FIG. 7) for inserting bolts 61 for fixing the door shoe bracket 50 are formed at a lower portion of the reinforcing member 140 at a predetermined distance in the opening and closing direction. . The bolt insertion hole 146 is formed using a tap, and a screw thread is formed on the peripheral surface surrounding the bolt insertion hole 146. The bolt insertion hole 146 communicates with the bolt insertion hole 130 formed in the second downward bent portion 126.
In addition, one flat surface 140a in the lower part of the reinforcing member 140 forms a lower contact surface 140d that contacts the lower facing surface 126c.

<Assembly of door panel assembly>
Next, assembly of the door panel assemblies 112R and 112L will be described with reference to FIG. First, the reinforcing member 140 is interposed between the flat plate portion 122 of the door panel 120 and the second side bent portions 124R and 124L. Next, the side contact surfaces 140c at both ends in the opening and closing direction of the reinforcing member 140 are brought into contact with the side facing surfaces 124c of the second side bent portions 124R and 124L, and the insertion holes 143 formed in the reinforcing member 140 are inserted. And the insertion holes 128 formed in the second side bent portions 124R and 124L. Further, the lower contact surface 140 d (see FIG. 7) of the reinforcing member 140 is brought into contact with the lower facing surface 126 c of the second lower bent portion 126. Next, the rivet 60 is inserted into these communicating insertion holes, both ends in the opening / closing direction of the reinforcing member 140 are fixed to the second side bent portions 124R and 124L, and the reinforcing member 140 is bent in the second downward direction. The door panel 120 and the reinforcing member 140 are fixed to the portion 126.

  Next, the lower part of the door shoe bracket 50 is fitted into the fitting groove 17 a of the door shoe 17. Next, the door shoe bracket 50 in which the door shoe 17 is fitted is fixed to the door panel 120 to which the reinforcing member 140 is fixed. Specifically, the other flat surface 51 b of the bracket upper portion 51 of the door shoe bracket 50 is brought into contact with one flat surface 126 a of the second downward bent portion 126, and the bolt insertion hole 52 formed in the bracket upper portion 51, 2 The bolt insertion hole 130 formed in the lower bent portion 126 and the bolt insertion hole 146 formed in the reinforcing member 140 are communicated with each other. Moreover, the upper surface 53a of the bracket bending part 53 and the lower surface 125b of the 1st downward bending part 125 are made to contact. Then, the bolt 61 is inserted into the bolt insertion holes that are communicated with each other, and the thread formed on the bolt 61 and the thread formed on the peripheral surface surrounding the bolt insertion hole 146 of the reinforcing member 140 are screwed together. As a result, the bracket upper portion 51, the second lower bent portion 126, and the reinforcing lower portion 144 are fixed, that is, the door shoe bracket 50, the door panel 120, and the reinforcing member 140 are fixed, and the door panel assemblies 112R and 112L are assembled.

<Action>
The door device 110 in the car 104 of the elevator apparatus 101 of the present embodiment can exhibit the first to fourth actions and the sixth action in the first embodiment described above.

  Moreover, since the operation | work which bends the reinforcement member 140 can be abbreviate | omitted, compared with the passenger car 4 in 1st Embodiment, the manufacturing process of the passenger car 104 can be simplified. Further, since the fixing of the second downward bent portion 126 and the reinforcing member 140 with the rivet 60 is omitted, the manufacturing process of the car 104 can be further simplified.

<Modification>
In addition, this invention is not limited to an above-described Example, Various modifications are included. For example, the above-described embodiments have been described in detail for easy understanding of the present invention, and are not necessarily limited to those having all the configurations described. Further, a part of the configuration of one embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of one embodiment. Further, it is possible to add, delete, and replace other configurations for a part of the configuration of each embodiment.

  For example, in the first and second embodiments, an example in which the present invention is applied to a so-called machine room-less elevator apparatus has been described. However, an elevator apparatus having a machine room 262 as shown in FIG. The present invention may be applied to 201.

  In the first embodiment and the second embodiment, the example in which the present invention is applied to the door devices 10 and 110 included in the car 4, 104 has been described. However, the first embodiment and the second embodiment are provided in a building H as shown in FIG. The present invention may be applied to the door device 210 that opens and closes the connection port to the hoistway 203 of the elevator device 201.

  DESCRIPTION OF SYMBOLS 1 ... Elevator apparatus, 4 ... Riding car, 9 ... Car room, 10 ... Door apparatus, 11 ... Entrance / exit, 12R, 12L ... Door assembly, 13 ... Hanger, 14 ... Rail frame, 15 ... Sill, 16 ... Hanger roller 17 ... Door shoe, 17a ... Fitting groove, 18 ... Door rail, 20 ... Door panel, 21 ... Plate member, 22 ... Plate portion, 23R, 23L ... First side bent portion, 24R, 24L ... Second side Folded portion, 24c ... Side facing surface, 24R, 24L ... Second side bent portion, 25 ... First lower bent portion, 26 ... Second lower bent portion, 26c ... Lower facing surface, 27 ... Cut Notch, 40 ... Reinforcement member, 41 ... Reinforcement bent part, 42 ... Reinforcement upper part, 42c ... Side contact surface, 44 ... Reinforcement lower part, 44c ... Lower contact surface, 50 ... Door shoe bracket, 51 ... On bracket 53, bracket bent part, 54 ... bracket lower part, 60 ... rivet, 61 ... bolt, 93a side wall part

Claims (4)

A door panel formed by a plate-like member and provided to be openable and closable;
A plate-like reinforcing member for reinforcing the door panel;
An elevator apparatus provided with a door apparatus provided with a door shoe bracket provided at a lower portion of the door panel and supporting a door shoe,
The door panel has a bent portion formed by bending the tip of the plate member forming the door panel so as to have an opposing surface,
While attaching the reinforcing member to the bent portion so as to be parallel to the facing surface,
The elevator apparatus which fixed the said door shoe bracket to the said bending part and the said reinforcement member. The door panel has a flat plate portion having one surface and the other surface extending along the opening and closing direction,
The bent portion is formed by bending both end portions in the opening / closing direction of the plate-like member forming the door panel to one surface side of the flat plate portion, and one end portion is an end portion in the opening / closing direction of the flat plate portion. Two first side bent portions that are continuous with each other,
The two first side bent portions are formed by bending the other end portions of the two first side bent portions so as to approach each other along the opening and closing direction, and have two side facing surfaces facing the one surface of the flat plate portion. A second side bend,
A first lower bent portion formed by bending a lower end portion of a plate-like member forming the door panel to the one surface side of the flat plate portion, and one end portion continuing to the lower end portion of the flat plate portion;
A second lower bent portion formed by bending the other end of the first lower bent portion upward, and having a lower facing surface facing the one surface of the flat plate portion,
Both ends of the reinforcing member in the opening / closing direction are in contact with the side facing surface and fixed to the second side bent portion,
A lower end portion of the reinforcing member is in contact with the lower facing surface and fixed to the second lower bent portion,
The elevator apparatus according to claim 1, wherein the door shoe bracket is fixed to a surface of the second lower bent portion opposite to the lower facing surface. The reinforcing member is provided under a reinforcing bent portion formed by bending a lower portion of the reinforcing member so as to approach one surface side of the flat plate portion, and is in contact with the lower facing surface. Has a reinforced lower part,
The door shoe bracket, the second downward bent portion, and the reinforcing lower portion are formed with insertion holes for inserting bolts.
The door shoe bracket, the second lower bent portion, and the reinforcing lower portion are fixed by bolts that pass through the insertion holes of the door shoe bracket, the second lower bent portion, and the reinforcing lower portion,
The distance between the said downward opposing surface and one surface of the said flat plate part is set shorter than the distance between the one surface of the said flat plate part, and the said side opposing surface. Elevator device. An elevator car comprising: a car room that accommodates passengers; a boarding / alighting gate provided in the car room for passengers to get on and off; and a door device that opens and closes the boarding / exiting door;
The door device is
A door panel formed by a plate-like member and provided to be openable and closable;
A plate-like reinforcing member for reinforcing the door panel;
A door shoe bracket provided at a lower portion of the door panel and supporting the door shoe,
The door panel has a bent portion formed by bending the tip of the plate member forming the door panel so as to have an opposing surface,
While attaching the reinforcing member to the bent portion so as to be parallel to the facing surface,
An elevator car in which the door shoe bracket is fixed to the bent portion and the reinforcing member.

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